%0 Journal Article %A Tekcan, Ahmet %A Bizim, Osman %T The connection between quadratic forms and the extended modular group %J Mathematica Bohemica %D 2003 %P 225-236 %V 128 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/MB.2003.134178/ %R 10.21136/MB.2003.134178 %G en %F 10_21136_MB_2003_134178